‎Hand wash or wash by machine with cold water and mild detergent

70% Bamboo, 30% Cotton
Soft and Safe to Baby Skin:Muslin 70% Bamboo / 30% Cotton.Breathable and comfortable muslin cozy fabric helps reduce the risk of overheating and is gentle against baby’s sensitive skin.
Generous size: 47″ X 47” (120 x 120 cm),which is way large enough to easily wrap or swaddle babies from new born infants to toddlers.Easy steps, no late-night struggles.